Add health api

database/ping.go

@@ -0,0 +1,6 @@
+package database
+
+// Ping pings the database to verify the connection.
+func (d *GormDatabase) Ping() error {
+	return d.DB.DB().Ping()
+}

database/ping_test.go

@@ -0,0 +1,16 @@
+package database
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func (s *DatabaseSuite) TestPing_onValidDB() {
+	err := s.db.Ping()
+	assert.NoError(s.T(), err)
+}
+
+func (s *DatabaseSuite) TestPing_onClosedDB() {
+	s.db.Close()
+	err := s.db.Ping()
+	assert.Error(s.T(), err)
+}